<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div>img{
            animation: myfirst 1s  linear infinite;
        }
        @keyframes myfirst{
              0%   {transform: rotate(0deg);}
              25%  {transform: rotate(90deg);}
              50%  {transform: rotate(180deg);}
              75%  {transform: rotate(270deg);}
              100% {transform: rotate(360deg);}
        }

    </style>
</head>
<body>
    <div>
        <img src="./fengche.png">
    </div>
</body>
</html>